[ABANDONED] J-Link Ultra+ Not Connecting to NRF52832_XXAA

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  • [ABANDONED] J-Link Ultra+ Not Connecting to NRF52832_XXAA

    I am seeing very odd behavior from my J-Link Ultra+ (HW version 4.4). I am using MacOS 10.13.6 and the JLinkExe application, I am able to connect to our STM32F4 MCU (device STM32F469AI). We also have a Nordic NRF52832 MCU. I am not able to connect to the Nordic (device NRF52832_XXAA). Oddly enough, when I switch to another J-Link Ultra+ (HW version 4.3), I am able to connect to both MCUs. Attached is output from both J-Link Ultra+ (I x'd out the last 3 of serial numbers). Please Advise.
  • Hello,

    Thank you for your inquiry.
    Such an issue is not known to us.
    Did you use the same USB cable for both J-Links?
    Are you using the same JTAG cables to the target?
    Could you provide a J-Link log file for each case? wiki.segger.com/Enable_J-Link_log_file

    Best regards,
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